APA (7th ed.) Citation

Kollmar, E. (1992). Herausfordung Anthroposophie. Brockhaus.

Chicago Style (17th ed.) Citation

Kollmar, Edgar. Herausfordung Anthroposophie. Wuppertal u.a: Brockhaus, 1992.

MLA (9th ed.) Citation

Kollmar, Edgar. Herausfordung Anthroposophie. Brockhaus, 1992.

Warning: These citations may not always be 100% accurate.